Mercurial Repositories > eric / file comparison
comparison: ThirdParty/Pygments/pygments/lexers/graph.py
ThirdParty/Pygments/pygments/lexers/graph.py
- changeset 4172
- 4f20dba37ab6
- child 4697
- c2e9bf425554
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| 4170:8bc578136279 | 4172:4f20dba37ab6 |
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| 1 # -*- coding: utf-8 -*- | |
| 2 """ | |
| 3 pygments.lexers.graph | |
| 4 ~~~~~~~~~~~~~~~~~~~~~ | |
| 5 | |
| 6 Lexers for graph query languages. | |
| 7 | |
| 8 :copyright: Copyright 2006-2014 by the Pygments team, see AUTHORS. | |
| 9 :license: BSD, see LICENSE for details. | |
| 10 """ | |
| 11 | |
| 12 import re | |
| 13 | |
| 14 from pygments.lexer import RegexLexer, include, bygroups, using, this | |
| 15 from pygments.token import Keyword, Punctuation, Comment, Operator, Name,\ | |
| 16 String, Number, Whitespace | |
| 17 | |
| 18 | |
| 19 __all__ = ['CypherLexer'] | |
| 20 | |
| 21 | |
| 22 class CypherLexer(RegexLexer): | |
| 23 """ | |
| 24 For `Cypher Query Language | |
| 25 <http://docs.neo4j.org/chunked/milestone/cypher-query-lang.html>`_ | |
| 26 | |
| 27 For the Cypher version in Neo4J 2.0 | |
| 28 | |
| 29 .. versionadded:: 2.0 | |
| 30 """ | |
| 31 name = 'Cypher' | |
| 32 aliases = ['cypher'] | |
| 33 filenames = ['*.cyp', '*.cypher'] | |
| 34 | |
| 35 flags = re.MULTILINE | re.IGNORECASE | |
| 36 | |
| 37 tokens = { | |
| 38 'root': [ | |
| 39 include('comment'), | |
| 40 include('keywords'), | |
| 41 include('clauses'), | |
| 42 include('relations'), | |
| 43 include('strings'), | |
| 44 include('whitespace'), | |
| 45 include('barewords'), | |
| 46 ], | |
| 47 'comment': [ | |
| 48 (r'^.*//.*\n', Comment.Single), | |
| 49 ], | |
| 50 'keywords': [ | |
| 51 (r'(create|order|match|limit|set|skip|start|return|with|where|' | |
| 52 r'delete|foreach|not|by)\b', Keyword), | |
| 53 ], | |
| 54 'clauses': [ | |
| 55 # TODO: many missing ones, see http://docs.neo4j.org/refcard/2.0/ | |
| 56 (r'(all|any|as|asc|create|create\s+unique|delete|' | |
| 57 r'desc|distinct|foreach|in|is\s+null|limit|match|none|' | |
| 58 r'order\s+by|return|set|skip|single|start|union|where|with)\b', | |
| 59 Keyword), | |
| 60 ], | |
| 61 'relations': [ | |
| 62 (r'(-\[)(.*?)(\]->)', bygroups(Operator, using(this), Operator)), | |
| 63 (r'(<-\[)(.*?)(\]-)', bygroups(Operator, using(this), Operator)), | |
| 64 (r'-->|<--|\[|\]', Operator), | |
| 65 (r'<|>|<>|=|<=|=>|\(|\)|\||:|,|;', Punctuation), | |
| 66 (r'[.*{}]', Punctuation), | |
| 67 ], | |
| 68 'strings': [ | |
| 69 (r'"(?:\\[tbnrf\'"\\]|[^\\"])*"', String), | |
| 70 (r'`(?:``|[^`])+`', Name.Variable), | |
| 71 ], | |
| 72 'whitespace': [ | |
| 73 (r'\s+', Whitespace), | |
| 74 ], | |
| 75 'barewords': [ | |
| 76 (r'[a-z]\w*', Name), | |
| 77 (r'\d+', Number), | |
| 78 ], | |
| 79 } |
